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Mathematics
Problem
If
a
+
b
+
c
=
1
a+b+c=1
a
+
b
+
c
=
1
,
a
b
+
b
c
+
c
a
=
2
ab+bc+ca=2
ab
+
b
c
+
c
a
=
2
,
a
b
c
=
3
abc=3
ab
c
=
3
, then value of
a
4
+
b
4
+
c
4
a^4+b^4+c^4
a
4
+
b
4
+
c
4
is equal to:
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